em78p131a ELAN Microelectronics Corp, em78p131a Datasheet - Page 24

• Manufacturer Part Number: em78p131a
• Description: 8-bit Microcontroller With Otp Rom
• Manufacturer: ELAN Microelectronics Corp

EM78P131A
8-Bit Microcontroller with OTP ROM
20 •
Legend:
Address
0
0
0
0
0
0
0
0
×
×
×
×
×
×
×
×
~
0B
0C
0D
0E
0F
0F
10
2F
×
*
:
Refer to tables provided in the next section (Section 5.5.3), particularly Table 4.
R10~R2F
RF(ISR)
Not used
Name
IOCB
IOCC
IOCD
IOCE
IOCF
Bit Name
Power-on
/RESET and WDT
Wake-up from Pin Change
Bit Name
Power-on
/RESET and WDT
Wake-up from Pin Change
Bit Name
Power-on
/RESET and WDT
Wake-up from Pin Change
Bit Name
Power-on
/RESET and WDT
Wake-up from Pin Change
Bit Name
Power-on
/RESET and WDT
Wake-up from Pin Change
Bit Name
Power-on
/RESET and WDT
Wake-up from Pin Change
Bit Name
Power-on
/RESET and WDT
Wake-up from Pin Change
U: Unknown or don’t care
Reset Type
P: Previous value before reset
WDTE EIS
Bit 7
/PH7
OD7
U
P
P
P
P
P
×
0
0
0
×
1
1
0
0
1
1
1
1
1
×
1
1
1
-
(This specification is subject to change without further notice)
Bit 6
/PD6
/PH6
OD6
U
P
P
P
P
P
P
×
0
0
0
1
1
0
0
1
1
0
0
×
1
1
1
-
Bit 5
/PD5
/PH5
OD5
U
P
P
P
P
P
×
0
0
0
1
1
0
0
1
1
×
1
1
1
×
1
1
1
-
Product Specification (V1.2) 09.16.2009
Bit 4
/PD4
/PH4
OD4
P
P
P
U
P
P
×
0
0
0
1
1
0
0
1
1
×
1
1
1
×
1
1
1
-
Bit 3
P
P
P
U
P
P
×
0
0
0
×
1
1
×
0
0
×
1
1
×
1
1
1
×
1
1
1
-
LVDF
EXIE
Bit 2
EXIF
/PH2
OD2
P
P
P
P
P
P
U
P
P
0
0
×
1
1
0
0
1
1
0
0
0
0
-
/PH1
Bit 1
OD1
LVD
SEL
ICIE
ICIF
N
U
P
P
P
P
P
P
P
0
0
×
1
1
0
0
1
1
0
0
0
0
-
TCIE
TCIF
/PH0
Bit 0
OD0
LVD
EN
P
P
P
P
P
P
U
P
P
0
0
×
1
1
0
0
1
1
0
0
0
0
-